* {
  margin: 0;
  padding: 0
}

body {
  background-size: cover;
  background-attachment: fixed;
  background: #ebedf2;
;
}

a{
  text-decoration: none;
  color: #606266;;
}

.active{
  color: #0256FF;
}

li{
  list-style: none;
}

ul{
  display: none;
}

.bac_header{
  display: flex;
  padding: 0 10px;
  height: 80px;
  background-color:#FFFFFF;
}
.bac_header_left{
  margin-left: 40px;
  display: flex;
  gap: 10px;
  width: 240px;
  height: 80px;
}
.bac_header_left img{
  height: 60%;
}
.bac_header_left .bac_header_left_name{
  margin-top: 0px;
  margin-left: 0px;
  font-size: 28px;
  font-weight: bold;
  color: #0B5EB1;
}
.bac_header_left div{
  margin-left: 3px;
  margin-top: 5px;
  font-family: AlibabaPuHuiTi;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.2em;
  color: #3D3D3D;
}
.bac_header_middle{
  padding-left:40px;
  width: 960px;
  height: 80px;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
}
.bac_header_middle img{
  width: 18px;
  height: 18px;
}
.bac_header_right{
  display: flex;
  flex-direction: row;
  align-items: center;
  font-family: HarmonyOS Sans SC;
  font-size: 14px;
  font-weight: normal;
  line-height: 24px;
  letter-spacing: 0px;
  /* 外部/Font/text-placeholder */
  color: #C0C4CC;
}
.bac_body{
  display: flex;
  height: 720px;
  display: flex;
}

.bac_body .nav{
  width: 200px;
  background: #FFFFFF;
  height: 100%;
  display: inline-block;
}

.nav_card{
  display: inline-block;
  width: 160px;
  opacity: 1;
  /* 自动布局 */
  display: flex;
  flex-direction: column;
  padding: 10px 20px;
  font-family: HarmonyOS Sans SC;
  font-size: 14px;
  font-weight: 800;
  line-height: 24px;
  letter-spacing: 0px;
  color: #606266;
  padding-bottom: 0px;
}
.nav_card_top{
  display: flex;
  gap: 10px;
  justify-items: center;
  align-items: center;
  padding: 10px 20px;
}
.nav_card_top_logo{
  margin-left: 10px;
  width: 18px;
  height: 18px;
}
.nav_card_top_down{
  width: 9px;
  height: 5px;
}
.nav_card_list{
  padding: 10px 30px;
  vertical-align: middle;
  align-items: center;
  justify-content: center;
}
